40816328771 has 2 divisors, whose sum is σ = 40816328772. Its totient is φ = 40816328770.

The previous prime is 40816328741. The next prime is 40816328809. The reversal of 40816328771 is 17782361804.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40816328771 - 2¹⁴ = 40816312387 is a prime.

It is not a weakly prime, because it can be changed into another prime (40816328711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20408164385 + 20408164386.

It is an arithmetic number, because the mean of its divisors is an integer number (20408164386).

Almost surely, 2^40816328771 is an apocalyptic number.

40816328771 is a deficient number, since it is larger than the sum of its proper divisors (1).

40816328771 is an equidigital number, since it uses as much as digits as its factorization.

40816328771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 40816328771 in words is "forty billion, eight hundred sixteen million, three hundred twenty-eight thousand, seven hundred seventy-one".